Amido amine ashless dispersants

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 133/52 (2006.01) C08F 8/00 (2006.01) C08F 8/30 (2006.01) C08F 10/00 (2006.01) C10L 1/22 (2006.01) C10L 1/238 (2006.01) C10L 1/24 (2006.01) C10M 159/12 (2006.01)

Patent

CA 2085739

According to the present invention, improved dispersants are provided which comprise adducts of (A) polymer-substituted mono- and dicarboxylic acid or anhydrides and (B) an amido-amine characterized by being a reaction product of an alpha, bata- unsaturated compound of formula (I), wherein X is sulfur or oxygen, Y is -OR4, -SR4, or -NR4 (R5), and R1, R2, R3, R4 and R5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, and bis(para-amino cyclohexyl) methane or oligomers thereof.

Dispersants améliorés comprenant des produits d'addition de (A) anhydrides ou acide mono- ou dicarboxylique de polymère à substitution et (B) d'une amido-amine caractérisée par le fait qu'elle est un produit de réaction d'un composé non saturé alpha, bêta de la formule (I) dans laquelle X représente soufre ou oxygène, Y représente -OR4, -SR4, ou -NR4 (R5), et R1, R2, R3, R4 et R5 représentent des éléments identiques ou différents et représentent hydrogène ou un hydrocarbyle substitué ou non substitué, et bis(para-amino cyclohexyl)méthane ou des oligomères de celui-ci.

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